indexo.dev

kommunalkolleg.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 3054 ms crawled 2026-05-19

DE · 136.243.118.13 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Kommunalkolleg
Language
en

Technology

Server
nginx

Registration

Updated
2023-04-13
Name servers
  • ns1.jcdn.de.
  • ns4.jcdn.de.

DNS records live

NS
  • ns1.jcdn.de
  • ns4.jcdn.de
MX
  • 10 mail.kommunalkolleg.de

Email authentication weak

SPF
v=spf1 +a +mx -all +a:h12-vs03.jarmedia.de
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-12 to 2026-08-10
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://kommunalkolleg.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (2)